Panasonic TH-103PF9UK - Power LED Blinks 10 Times

Trouble Mode
DS Board SOS
Defective Board
SLOT1, SLOT2, SLOT3, DS Board
DS SOS – Power LED Blinks 10 Times
How to find the defective board
Power Supply / Protect Circuit
SLOT1 Board
Yes
No
SLOT2 Board
Yes
No
SLOT3 Board
Yes
Does it
power up?
DS
Board
No
LED R
27
IC4701
IIC
B31
DS
12
B31
SOS
(From SLOT1)
B31
SOS
(From SLOT2)
SOS
(From SLOT3)
SOS
Q8200-
Q8202
IC3004
10 SOS
DS
3
DS DN
DN
3
DS
11
DS
13
44
Remove
SLOT1. Connect
the unit to the wall
outlet and turn it on.
Remove
SLOT2. Connect
the unit to the wall
outlet and turn it on.
Remove
SLOT2. Connect
the unit to the wall
outlet and turn it on.
Does it
power up?
Does it
power up?